Fig. 1.
Difference in long-term follow-up between centres for the combined endpoint of either death or re-infarction; log rank, 0.715
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.